The report, "Global Health Review: Worldwide Wealth and Wealth Migration Trends," from the research organization Research and Markets, said 12,000 millionaires left France last year, compared with 10,000 in 2015, making France the most unpopular country in the world for the rich.

This is despite economic growth in the most recent quarter; it could be due in part to political change.

The far-right National Front party, led by Marine Le Pen, saw a rise in popularity in France following the terrorist attacks that took place in the country in 2015 and 2016. The party takes an extreme conservative approach to immigration and globalisation.

The second least popular country with high-net-worth individuals — defined as those with assets over $1 million — was China, with 9,000 millionaires leaving the country in 2016, according to the report.

China's lack of popularity with millionaires, however, was unchanged since 2015. Brazil, which saw 8,000 millionaires flee compared with 2,000 in 2015; India, which saw 6,000 compared with 4,000 the year before; and Turkey, with 6,000 compared with 2,000 in the previous year, were also among the most unpopular countries with millionaires.

The most popular countries for the superrich

Australia saw 3,000 new millionaires last year.
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On the other hand, Australia saw a surge of 3,000 millionaires moving to it last year, making it the most popular country with high-net-worth individuals for the second year in a row.

Though the USA remained popular, 1,000 fewer millionaires moved there in 2016 than moved to Australia. The United Arab Emirates and New Zealand were also extremely popular, with 5,000 and 4,000 more extremely wealthy migrants compared with 2015.

Last year, according to Market Watch, there were 13.6 million high-net-worth individuals with a common wealth of $69 trillion globally.